nullvec 0.2.0

Rust nullable vector, which can contain null(missing) values as element
Documentation 
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macro_rules! macro_dispatch {
    ($m:ident, $( $t:ident ),* ) => {
        $(
            $m!($t);
        )*
    };
}


#[macro_export]
macro_rules! array {
    ($($e:expr),*) => ({
        let mut v = Vec::new();
        $(v.push($e);)*
        let nv = $crate::prelude::NullVec::new(v);
        $crate::prelude::Array::new(nv)
    });
    ($($e:expr), +, ) => (array!($($e), +))
}